EP 4134247 A1 20230215 - PNEUMATIC TIRE
Title (en)
PNEUMATIC TIRE
Title (de)
LUFTREIFEN
Title (fr)
PNEUMATIQUE
Publication
Application
Priority
- JP 2020070978 A 20200410
- JP 2021012187 W 20210324
Abstract (en)
Provided is a pneumatic tire that can provide satisfactorily-maintained steering stability and ride comfort at high speeds while reducing road noise. A belt cover layer (8) made of a cover cord spirally wound along a tire circumferential direction is provided on an outer circumferential side of a belt layer (7) in a tread portion (1). The cover cord uses a polyethylene terephthalate fiber cord having an elongation under a load of 2.0 cN/dtex at 100°C of from 2.0% to 4.0%, and a side reinforcing layer formed by arranging a plurality of reinforcing cords and covering the plurality of reinforcing cords with rubber is provided in regions from bead portions to sidewall portions.
IPC 8 full level
B60C 9/00 (2006.01); B60C 9/22 (2006.01); B60C 13/00 (2006.01); B60C 15/06 (2006.01); D02G 3/48 (2006.01); D07B 1/06 (2006.01)
CPC (source: EP)
B60C 9/2204 (2013.01); D02G 3/48 (2013.01); B60C 2009/2214 (2013.01); B60C 2009/2261 (2013.01); B60C 2015/009 (2013.01); B60C 2015/0642 (2013.01); B60C 2015/066 (2013.01); B60C 2015/0685 (2013.01); D10B 2331/04 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4134247 A1 20230215; EP 4134247 A4 20240508; EP 4134247 A9 20230405; CN 115379956 A 20221122; CN 115379956 B 20240312; JP 7290200 B2 20230613; JP WO2021205874 A1 20211014; WO 2021205874 A1 20211014
DOCDB simple family (application)
EP 21783802 A 20210324; CN 202180027047 A 20210324; JP 2021012187 W 20210324; JP 2022514385 A 20210324